STOCKHOLM--(BUSINESS WIRE)--Regulatory News: Growth and stable earnings Addnode Group AB (STO:ANODB) Summary of the first quarter, January – March 2015 Net sales amounted to SEK 431.8 M (411.4), up 5 percent. EBITA totaled SEK 33.7 M (34.3), an EBITA margin of 7.8 percent (8.3). Operating profit amounted to SEK 24.4 M (26.4) MSEK, and operating margin of 5.7 percent (6.4). After-tax profit increased to SEK 19.6 M (19.2). Earnings per share after dilution rose to SEK 0.66 (0.65). Cash flow from